Chrome

Bypass the same origin policy for file:///
--allow-file-access-from-files

Mozilla

Clear Cannon error P08

  1. Turn off printer, cable power still plug in,
  2. Press Stop/Reset button don't release
  3. Press Power Button don't release and than release Stop/Reset button
  4. Press Stop/Reset button 2X and than release Power Button, wait until service mode to " 0 "
  5. Turn off printer, cable power still plug in
  6. Press Stop/Reset button don't release
  7. Press Power Button don't release and than release Stop/Reset button
  8. Press Stop/Reset button 4X and than release Power Button, wait until service mode to " 1 "
  9. Turn off printer, and loose cable power, wait one minute.
  10. Connect cable power, turn on printer again, now this printer ready to use.